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Table 1 Baseline characteristics and operative characteristics

From: Survival and quality of life after surgical aortic valve replacement in octogenarians

   Age < 80 Age ≥ 80  
   N = 597 N = 163 P
Male sex 363 (60.8) 85 (52.1) 0.057
Age, years 71 (66–75) 82 (81–83) <0.001
History of:    
 DM 145 (24.4) 37 (22.7) 0.727
 Hypertension 325 (54.4) 98 (60.1) 0.228
 COPD 116 (19.4) 30 (18.4) 0.855
 Peripheral VD 70 (11.7) 17 (10.4) 0.748
 Stroke 66 (11.1) 20 (12.3) 0.768
 MI 74 (12.4) 21 (12.9) 0.979
 PCI 65 (10.9) 18 (11.0) 1.000
 Cardiac surgery 42 (7.0) 8 (4.9) 0.428
Creatinine (mmol/L) 88 (75–104) 92 (77–110) 0.001
EuroSCORE 6 (5–7) 8 (8–10) <0.001
Log EuroSCORE 4.9 (3.1–7.6) 10.7 (8.4–15.7) <0.001
LVEF >50 % 468 (78.7) 113 (69.3) 0.044
  30–50 % 103 (17.3) 40 (24.5)  
  <30 % 24 (4.0) 10 (6.1)  
NYHA Class 1 145 (24.3) 45 (27.6) 0.149
  Class 2 342 (57.4) 80 (49.1)  
  Class 3 109 (18.3) 38 (23.3)  
Peak gradient AV (mmHg) 73 (60–90) 71 (58–88) 0.55
Operative characteristics    
 Bioprosthesis 541 (90.6) 159 (97.6) <0.001
 CABG 298 (49.9) 75 (46.0) 0.426
 X-clamp time (min) 91 (75–111) 82 (68–107) 0.004
  1. Baseline chararcteristics and operative characteristics in octogenarians and patients aged less than 80 years. Values are number (%), continuous variables are presented as median (25th–75th percentile)
  2. DM diabetes mellitus, COPD chronic obstructive pulmonary disease, VD vascular disease, MI myocardial infarction, PCI percutanaeous coronary intervention, LVEF left ventricular ejection fraction, NYHA New York Heart Association, AV aortic valve, peak gradient = maximum gradient over the aortic valve, CABG coronary artery bypass grafting